skills.rest
irismaker
irismakerCOMMUNITY
Explore all skills by this author →
WebsiteGitHub

test-driven-development

Enforce the Red-Green-Refactor cycle for test-first code changes.

Updated Aug 23, 2026
Search Tags:#tdd#red-green-refactor#software-engineering#unit-tests#test-driven-development
One-click install
npx skills add https://github.com/irismaker/ai-agent-skills-hub --skill test-driven-development-irismaker
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/irismaker/ai-agent-skills-hub/tree/main/workflow/development/test-driven-development
Command: npx skills add https://github.com/irismaker/ai-agent-skills-hub --skill test-driven-development-irismaker

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps teams adopt Test-Driven Development (TDD) to prevent defects by requiring tests before code, reducing debugging time and improving design.

Core Features & Use Cases

  • Enforces a test-first workflow for new features, bug fixes, and refactoring.
  • Guides teams to write meaningful, minimal tests that exercise real behavior.
  • Works across projects of any size, from small libraries to large services, ensuring fast feedback loops and safer changes.

Quick Start

Begin by writing a failing test for the desired behavior, then implement the minimal code to pass and refactor.

Frequently Asked Questions about test-driven-development

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
What is test-driven development and how does the red-green-refactor cycle work?▼

Test-driven development is a test-first workflow requiring the red-green-refactor cycle. You write a failing test, implement minimal production code to pass it, and then refactor for quality to validate every code change.

How do I start writing unit tests before code for a new software feature?▼

Begin by writing a failing unit test for the desired behavior, then implement the minimal code to pass and refactor. This test-first development enforces a fast feedback loop and safer changes for new features.

Can I use test-driven development for both bug fixes and refactoring existing code?▼

Yes, test-driven development applies to feature development, bug fixes, and refactoring. It enforces a test-first workflow across software projects of any size to prevent defects and reduce debugging time.

Why should my team adopt test-first coding instead of writing tests after implementation?▼

Test-first coding prevents defects by requiring tests before code, which reduces debugging time and improves design. It guides teams to write meaningful, minimal tests that exercise real behavior.

Does test-driven development work for large software services or is it limited to small libraries?▼

Test-driven development works across projects of any size, from small libraries to large services. It ensures fast feedback loops and safer changes by validating every code change through the red-green-refactor cycle.

Related Skills

Explore More Software Engineering Skills→
Ying-Kai-LiaoYing-Kai-Liao
1

tdd-workflow

Enforce test-driven development workflows with 80%+ coverage across unit, integration, and end-to-end tests.

Community
Advanced
RheasilviaRheasilvia

test-driven-development

Enforce the Red-Green-Refactor cycle with automated tests via terminal.

Community
Advanced
HomericIntelligenceHomericIntelligence
18

calculate-coverage

Measure code coverage percentage and identify untested code paths with pytest.

Official
Basic
iCesofTiCesofT
1

bdd-patterns

Apply Behavior-Driven Development patterns with Given-When-Then scenarios and feature files.

Community
Intermediate